diff --git a/protocol/Cargo.toml b/protocol/Cargo.toml
index 5770b76a..cf152f40 100644
--- a/protocol/Cargo.toml
+++ b/protocol/Cargo.toml
@@ -9,7 +9,7 @@ serde = "1.0.152"
 serde_json = "1.0.91"
 hex = "0.4.3"
 sha-1 = "0.9.7"
-aes = "0.7.4"
+aes = "0.8.0"
 cfb8 = "0.7.1"
 byteorder = "1.4.3"
 log = { version = "0.4.17", features = ["std"] }